We look at the division of 77758354 by 961 
We want to figure out the number of times 77758354 can be divided by 961.

Going ahead to step 1:
When dividing 7 by 961, we get 0 with a remainder of 7.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 7 after subtracting 0 from 7.
Grab the next digit (7) from the dividend, add it to 7, then carry on: 77 / 961

On to step 2:
961 can be fit into 77 0 times, resulting in a remainder of 77.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 77 and we're left with 77.
Take the next digit (7) from the dividend and append it to 77, then repeat: 777 / 961

Step 3:
777 divided by 961 is 0 with a remainder of 777.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 777 and we're left with 777.
Grab the next digit (5) from the dividend, add it to 777, then carry on: 7775 / 961

Let's proceed to step 4:
961 goes into 7775 8 times with a remainder of 87.
Put 8 as the next digit of the answer. 
Result so far: 8.0
The remainder is 87 after subtracting 7688 from 7775.
Bring next digit (8) of the dividend behind the 87 and repeat the process: 878 / 961

On to step 5:
When dividing 878 by 961, we get 0 with a remainder of 878.
Write down 0 as next digit of the result. 
Result so far: 80.0
Deduct 0 from 878 and we're left with 878.
Include the next digit (3) from the dividend after 878, then repeat: 8783 / 961

Advancing to step 6:
If we divide 8783 by 961, we get 9 and a remainder of 134.
The next digit of our result is 9. 
Result so far: 809.0
Subtracting 8649 from 8783 leaves us with 134.
Append the next digit (5) from the dividend to 134 and continue with: 1345 / 961

Step 7:
The number 961 fits into 1345 1 times, leaving a remainder of 384.
Put 1 as the next digit of the answer. 
Result so far: 8091.0
Subtracting 961 from 1345 leaves us with 384.
Fetch the next digit (4) from the dividend, attach it to 384 and continue: 3844 / 961

Let's proceed to step 8:
961 goes into 3844 4 times with a remainder of 0.
Record the quotient 4 as the next digit in the result. 
Result so far: 80914.0
If we take 3844 away from 3844, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Moving on to step 9:
When dividing 0 by 961, we get 0 with a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 80914.0
If we subtract 0 from 0, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Moving on to step 10:
961 goes into 0 0 times with a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 80914.0
If we subtract 0 from 0, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

After the division, we end up with 80914.0 and a remainder of 0.0.